Corporations Tax Act — evolution timeline
Ontario · 30 consolidated versions · 0 amending bills.
30 consolidated versions from Jan 1, 2004 to Apr 24, 2026. Tap a consolidation to see what changed.
- Apr 24, 2026 · consolidation · current
- Dec 9, 2021 · consolidation
- Dec 31, 2019 · consolidation
- May 8, 2018 · consolidation
- Apr 30, 2018 · consolidation
- Jun 1, 2017 · consolidation
- Jun 20, 2012 · consolidation
- Dec 31, 2011 · consolidation
- Jun 1, 2011 · consolidation
- May 12, 2011 · consolidation
- Dec 8, 2010 · consolidation
- Dec 15, 2009 · consolidation
- Oct 28, 2009 · consolidation
- Jun 5, 2009 · consolidation
- Dec 10, 2008 · consolidation
- Nov 27, 2008 · consolidation
- May 14, 2008 · consolidation
- Jun 4, 2007 · consolidation
- May 17, 2007 · consolidation
- Apr 30, 2007 · consolidation
- Jan 1, 2007 · consolidation
- Dec 20, 2006 · consolidation
- Jun 22, 2006 · consolidation
- May 18, 2006 · consolidation
- Dec 15, 2005 · consolidation
- Dec 12, 2005 · consolidation
- Dec 16, 2004 · consolidation
- Dec 9, 2004 · consolidation
- Nov 4, 2004 · consolidation
- Jan 1, 2004 · consolidation